| English | eng-000 |
| under-the-table | |
| Universal Networking Language | art-253 | under-the-table(icl>adj,equ>sub-rosa) |
| English | eng-000 | arcane |
| English | eng-000 | backstair |
| English | eng-000 | backstairs |
| English | eng-000 | behind-the-scenes |
| English | eng-000 | covert |
| English | eng-000 | dark |
| English | eng-000 | ex-directory |
| English | eng-000 | hush-hush |
| English | eng-000 | mystic |
| English | eng-000 | occult |
| English | eng-000 | privy |
| English | eng-000 | restricted |
| English | eng-000 | sealed |
| English | eng-000 | secret |
| English | eng-000 | sneak |
| English | eng-000 | sneaking |
| English | eng-000 | sub-rosa |
| English | eng-000 | surreptitious |
| English | eng-000 | under wraps |
| English | eng-000 | under-the-counter |
| English | eng-000 | undercover |
| English | eng-000 | underhand |
| English | eng-000 | undisclosed |
| English | eng-000 | unlisted |
| suomi | fin-000 | kahdenkeskinen |
| suomi | fin-000 | kulissientakainen |
| suomi | fin-000 | luottamuksellinen |
| suomi | fin-000 | salainen |
| suomi | fin-000 | sub-rosa |
| русский | rus-000 | незаконный |
| русский | rus-000 | подпольный |
| русский | rus-000 | тайный |
| español | spa-000 | secreto |
| Tagalog | tgl-000 | puslit |
| ภาษาไทย | tha-000 | ซึ่งติดต่อกันลับๆ |
| ภาษาไทย | tha-000 | ซึ่งทําอย่างลับๆ |
| ภาษาไทย | tha-000 | ติดต่อกันอย่างลับๆ |
| ภาษาไทย | tha-000 | เป็นส่วนตัว |